Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. Freon group of refrigerants are

2. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

3. The vapour compression refrigerator employs the following cycle

4. Which of the following statement is correct?

5. The bank of tubes at the back of domestic refrigerator is

6. Cooling water is required for following equipment in ammonia absorption plant

7. In a lithium bromide absorption refrigeration system

8. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

9. Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of

10. Critical temperature is the temperature above which


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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